There are total 5 hours or 300 minutes from 4pm to 9pm. In words, this duration is equal to five hours or three hundred minutes.
How many hours from
| 8PM to 7AM | 12PM to 1AM | 5PM to 12PM |
| 2PM to 1PM | 4PM to 3AM | 11AM to 12PM |
| 9AM to 7AM | 7PM to 1AM | 8AM to 9AM |
| 7AM to 2PM | 12AM to 3AM | 3AM to 12PM |
| 5AM to 11PM | 9PM to 8PM | 3AM to 1PM |
| 12PM to 9AM | 6PM to 2AM | 10PM to 11PM |
